Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730535 | Simplex and duplex printing system using a reversible duplex path | Glenn M. Keenan | 1998-03-24 |
| 5598257 | Simplex and duplex printing system using a reversible duplex path | Glenn M. Keenan | 1997-01-28 |
| 5568246 | High productivity dual engine simplex and duplex printing system using a reversible duplex path | Glenn M. Keenan, Lloyd F. Bean | 1996-10-22 |
| 5261655 | Disk stacker with intermittent corrugation assistance for small sheets | Elizabeth D. Fox | 1993-11-16 |
| 5145167 | Disk stacker including trail edge transport belt for stacking short and long sheets | Thomas C. McGraw, Randall E. Van Ryne, Jose J. Soler | 1992-09-08 |
| 4537494 | Multi-roll development system | Anthony R. Lubinsky, Gary Allen Denton, James E. Williams | 1985-08-27 |